In a world where hearts are literally traded as commodities, players assume the role of Cassie, a heart merchant with a notorious reputation. After receiving a mysterious heart in the market, she becomes embroiled in a web of secrets, competing merchants, and stunning revelations about her own family history. As Cassie navigates through moral dilemmas, betrayal, and unexpected alliances, players must make critical choices that can lead to love, revenge, or redemption. Every choice influences the depth of connections she forms, ultimately leading to multiple endings based on the hearts she chooses to embrace or discard.